221236648

素因数分解:

$2^3\times {\mathrm{5209}}^1\times {\mathrm{5309}}^1$

素因数の和:10524

約数の個数: 16

約数和(自身を含む): 414976500

約数和(自身を除く): 193739852

約数列:

[1, 2, 4, 8, 5209, 5309, 10418, 10618, 20836, 21236, 41672, 42472, 27654581, 55309162, 110618324, 221236648]

約数ペア:

[(1, 221236648), (2, 110618324), (4, 55309162), (8, 27654581), (5209, 42472), (5309, 41672), (10418, 21236), (10618, 20836)]